Parameters P-76 through P-78 are used for measurement and simulation.
DISPLAY:
select desired parameter
P-76, 77 OR 78
press ,the display will show the reading of the last ultrasonic
measurement
press to update ultrasonic measurement
SIMULATION:
select desired parameter
P-76, 77 OR 78
press ,the display will show the simulated rise and fall of the material
level
The simulation will raise and lower the material level through the calibrated
span, P-4, at a rate of 1% of the span per second. In the DLD application,
one side (relay/LED 5 ON) is kept at a constant level, while the other side
(relay/LED 5 OFF) is varied. The DLD simulation will alternate every 6
seconds.
Pressing the key during simulation causes the apparent level to rise.
Holding the key in, increases the rate of filling. Pressing the key
causes the level to fall. Holding the in, increases the rate of emptying.
During simulation, relay LED’s, alarm relays and mA output are all enabled
to allow full response of the HydroRanger I. Pump relays are maintained
in a de-energized state throughout simulation (unless P-0 = – 1), however
the corresponding relay LED’s will respond. Relay LED’s for pumps will
not be illuminated within 1 second, simulating the 10 second start delay
under actual operation. As damping, fuzz filtering and agitator
discrimination are not required, they are turned off.
To end simulation program, press twice.
ALT
DISP
ENTER
ENTER
ALT
DISP
↓
↑
↓
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PL-399 7 – 16
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